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TUF /tΛf/, stands for The Ultimate Force.

The TUF series delivers a “tough” image. With the unique design & high quality components (military-standard), TUF series is born for pursuing the preeminent stability, all-round compatibility, and extreme durability

CPU, Chipset and Graphics features

LGA1156 Intel® Lynnfield Processor Ready

This motherboard supports the latest Intel® Lynnfield processors in LGA1156 package which has memory and PCI Express controller integrated to support 2-channel (4 DIMMs) DDR3 memory and 16 PCI Express 2.0 lanes providing great graphics performance. Intel® Lynnfield processor is one of the most powerful and energy efficient CPU in the world.

Quad-GPU SLI and Quad-GPU CrossFireX Support!

SABERTOOTH 55i brings you the multi-GPU choice of either SLI™ or CrossFireX. The motherboard features the most powerful Intel P55 platform to optimize PCIe allocation in multiple GPU configurations. Expect a brand-new gaming style you’ve never experienced before!

Memory Features

Dual-Channel DDR3 2000 / 1800 / 1600 / 1333 / 1066 support

The motherboard supports DDR3 memory that features data transfer rates of 2000 / 1800 / 1600 /1333 / 1066 MHz to meet the higher bandwidth requirements of the latest 3D graphics, multimedia, and Internet applications. The dual-channel DDR3 architecture enlarges the bandwidth of your system memory to boost system performance.

"Ultimate COOL!" Thermal Solution

CeraM!X - Heatsink Coating Tech.

Larger area for heat dissipation with the revolutionary ceramics-coating technologyInnovative ceramics actively conducts heat away from the system. It replaces traditional anti-oxidant to dissipate heat better with its microscopic irregular surface and enlarged area. Better cooling leads to overall improvement in system stability.

T.Probe

Leading Active Cooling TechnologyThe T.Probe microchip detects and balances power phase loads and temperatures real-time. With optimal power phase functions, components run cooler and extend system lifespan.

CoolMem! - Fan Frame

Improves system stability and memory lifeCoolMem! fan frame provides an effective and easy DIY way to cool the memory. The frame encloses 40mm or 50mm fans and fits them directly over the memory module. CoolMem! Fan Frame keeps your memory under a proper operating temperature, helping your system cool and stable.

Fan Xpert

Active Quiet & CoolFan Xpert intelligently allows users to adjust both the CPU and chassis fan speed according to different ambient temperature , which is caused by different climate conditions in different geographic regions and system loading.Built-in variety of useful profiles offer flexible controls of fan speed to achieve a quiet and cool environment.

"TUF ENGINE!" Power Design

E.S.P. - Efficient Switching Power Design

Optimal power efficiency for key componentsExclusively for this motherboard, the switching power design is provided not only for the CPU, but also for other key components such as graphics card, PCI slots, and chipsets. E.S.P. dramatically improves system efficiency and reduces heat generation.

TUF Cap. & MOSFET(certified by military-standard)

Certified for Tough DutyGet rugged performance even in the most challenging conditions with robust capacitors and MOSFETs--certified through third-party, military-grade testing.

"Safe & Stable!" Guardian Angel

MemOK!

Any Memory is A-OK!MemOK! quickly ensures memory boot compatibility. This remarkable memory rescue tool requires a mere push of a button to patch memory issues. MemOK! determines failsafe settings and dramatically improves your system boot success. Get your system up and running in no time!

ESD Guards

Ultra-protection Against Electric DischargeElectrostatic discharge (ESD) can happen suddenly and its damaging effects is often underestimated. Exclusive ASUS anti-static chip, a protective circuit design, and the I/O shield provides four times better protection to extend component lifespan.

ASUS Drive Xpert

Plug and Safe!Without BIOS setups, the ASUS exclusive Drive Xpert is ideal for anyone who needs to secure data on their hard drives or enhance hard drive performances without the hassles of complicated configurations. With Drive Xpert’s user-friendly graphical user interface, users can easily arrange hard drive backups or enhance their hard drive transfer rates—making sure that data is looked after every moment, every day.

Noise Filter

Eliminate background noise while recordingThis feature detects repetitive and stationary noises like computer fans, air conditioners, and other background noises then eliminates it in the incoming audio stream while recording.

ASUS EZ DIY

ASUS Onboard Switch

With an easy press during overclock, this exclusive onboard switch allows gamer to effortless fine-tune the performance without having to short the pins!

Q- Shield

Easy and Comfortable InstallationsThe specially designed ASUS Q-Shield does without the usual "fingers" - making it convenient and easy to install. With better electric conductivity, it ideally protects your motherboard against static electricity and shields it against Electronic Magnetic Interference (EMI).

EZ-Flash 2

Simply update BIOS from a USB flash disk before entering the OSEZ Flash 2 is a user-friendly BIOS update utility. Simply launch this tool and update BIOS from a USB flash disk before entering the OS. You can update your BIOS only in a few clicks without preparing an additional floppy diskette or using an OS-based flash utility.

ASUS Q-Design

Q-Connector

Make connection quick and accurate!The ASUS Q-Connector allows you to connect or disconnect chassis front panel cables in one easy step with one complete module. This unique adapter eliminates the trouble of plugging in one cable at a time, making connection quick and accurate.

O.C. Profile

Conveniently store or load multiple BIOS settingsFreely share and distribute favorite overclocking settings The motherboard features the ASUS O.C. Profile that allows users to conveniently store or load multiple BIOS settings. The BIOS settings can be stored in the CMOS or a separate file, giving users freedom to share and distribute their favorite overclocking settings.